| Isaac Newton - 1730 - 403 pages
...particularly with a Prifm which feemed free from fuch Veins, and whofe refracting' Angle was 622 Degrees, I found the 'Length of the Image 9! or 10 Inches at the diftance of i8| Feet from the Prifm, the Breadth of the Hole in the Window-fhut being \ of an Inch,... | |
| Henry Enfield Roscoe - 1870 - 514 pages
...some veins running along within the glass from one end to the other, which scattered some of the sun's light irregularly, but had no sensible effect in increasing...angle was 62£°. I found the length of the image 9f or 10 inches at the distance of 18^ feet from the prism, the breadth of the hole in the window-shut... | |
| Henry E. Roscoe - 1869 - 372 pages
...some veins running along within the glass from one end to the other, which scattered some of the sun's light irregularly, but had no sensible effect in increasing...refracting angle was 62|°. I found the length of the image 9f or 10 inches at the distance of 18| feet from the prism, the breadth of the hole in the window-shut... | |
| sir Henry Enfield Roscoe - 1869 - 396 pages
...some veins running along within the glass from oue end to the other, which scattered some of the sun's light irregularly, but had no sensible effect in increasing...free from such veins, and whose refracting angle was G2i°. I found the length of the image 9f- or 10 inches at the distance of 18i feet from the prism,... | |
| sir Henry Enfield Roscoe - 1870 - 452 pages
...light irregularly, but hail no sensible effect in increasing the length of the coloured spectrum. Fof I tried the same experiment with other prisms with...such veins, and whose refracting angle was 62|°. 1 found the length of the image 9f or 10 inches at the distance of 18^ feet from the prism, the breadth... | |
| sir Henry Enfield Roscoe - 1873 - 550 pages
...some veins running along within the glass from one end to the other, which scattered some of the sun-s light irregularly, but had no sensible effect in increasing...angle was 62£°. I found the length of the image 9f or 10 inches at the distance of 18^ feet from the prism, the breadth of the hole in the window-shut... | |
| Henry Enfield Roscoe - 1873 - 552 pages
...some veins running along within the glass from one end to the other, which scattered some of the sun's light irregularly, but had no sensible effect in increasing...free from such veins, and whose refracting angle was 62i°. I found the length of the image 9J or 10 inches at the distance of 18^ feet from the prism,... | |
| Frederic William Westaway - 1912 - 474 pages
...some veins running along within the glass from one end to the other, which scattered some of the sun's light irregularly, but had no sensible effect in increasing...experiment with other prisms with the same success. Now the different magnitude of the hole in the window shutter, and different thickness of the prism... | |
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